import Vue from 'vue'
function timeFormatter(cell, needHour) {
    let date = new Date(cell)
    let year = date.getFullYear()
    let month = date.getMonth() + 1
    month = month >= 10 ? month : '0' + month
    let d1 = date.getDate()
    d1 = d1 >= 10 ? d1 : '0' + d1
    let time_str = year + '-' + month + '-' + d1
    if (needHour) {
        let h = date.getHours()
        h = h >= 10 ? h : "0" + h
        let m = date.getMinutes()
        m = m >= 10 ? m : "0" + m
        time_str += (" " + h + ':' + m)
    }
    return cell ? time_str : '--'
}
Vue.prototype.$format = timeFormatter